Link to the repo from the MkDocs theme
Link to the repo from the MkDocs theme

Unlike the readthedocs theme, the wording isn't "edit on .." or
similar. Taking users to the edit page is therefore confusing.

Fixes #269

jimporter/mkdocs,jimporter/mkdocs,d0ugal/mkdocs,d0ugal/mkdocs,lukfor/mkdocs,waylan/mkdocs,waylan/mkdocs,mkdocs/mkdocs,lukfor/mkdocs,mkdocs/mkdocs,waylan/mkdocs,jimporter/mkdocs,mkdocs/mkdocs,d0ugal/mkdocs,lukfor/mkdocs